2 Hearts - Formats and Track Listings

Digital download

1. "2 Hearts"

UK CD 1

1. "2 Hearts"
2. "I Don't Know What It Is"

UK CD 2

1. "2 Hearts"
2. "2 Hearts" (Alan Braxe remix)
3. "King or Queen"
4. "2 Hearts" music video

UK 12" picture disc

1. "2 Hearts"
2. "2 Hearts" (Alan Braxe remix)
3. "2 Hearts" (Studio remix)

Australian CD single

1. "2 Hearts"
2. "2 Hearts" (Alan Braxe remix)
3. "King or Queen"
4. "I Don't Know What It Is"
5. "2 Hearts" music video

Russian CD single

1. "2 Hearts"
2. "I Don't Know What It Is"

MSN UK digital download #1

1. "2 Hearts"
2. "I Don't Know What It Is"
3. "2 Hearts" (Harris and Masterson Extended mix)

MSN UK digital download #2

1. "2 Hearts" (Alan Braxe remix)
2. "King or Queen"
3. "2 Hearts" (Version by Studio)

UK promotional CD #1

1. "2 Hearts"

UK promotional CD #2

1. "2 Hearts" (Alan Braxe remix)
2. "2 Hearts" (Alan Braxe dub)
3. "2 Hearts" (Studio version)
4. "2 Hearts" (Mark Brown Pacha Ibiza Upper Terrace remix)
5. "2 Hearts" (A cappella)

UK promotional 12" single

1. "2 Hearts" (Alan Braxe remix)
2. "2 Hearts" (Mark Brown Pacha Ibiza Upper Terrace remix)
3. "2 Hearts" (Kish Mauve remix)
4. "2 Hearts" (Studio version)
5. "2 Hearts" (Paul Harris Extended mix)